npm2tgz generates a Slackware compatible package from a node module
  usage: <OPTIONS> npm2tgz <modules_name>
  The resulting package is located under /tmp
  possible OPTIONS are:
    BUILD=<value>  (currently: 1)
    TAG=<value>    (currently: SBo)
    OUTPUT=<value> (currently: /tmp)
    ARCH=<value>   (currently: npmjs)
    PREFIX=<value> (currently: /usr)
    NPMBIN=<value> (currently: /usr/bin/npm)
